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23-09-2020 1.0 Rainfall Situation Central Water Commission Daily Flood Situation Report cum Advisories 23-09-2020 1.0 Rainfall Situation 1.1 Basin wise departure from normal of cumulative and daily rainfall Large Excess Excess Normal Deficient Large Deficient No Data No [60% or more] [20% to 59%] [-19% to 19%) [-59% to -20%] [-99% to -60%] [-100%) Rain Notes: a) Small figures indicate actual rainfall (mm), while bold figures indicate Normal rainfall (mm) b) Percentage departures of rainfall are shown in brackets. 1.2 Rainfall forecast for next 5 days issued on 23rd September, 2020 (Midday) by IMD 2.0 Flood Situation and Advisories 2.1 Summary of Flood Situation as per CWC Flood Forecasting Network On 23rd September 2020, 8 Stations (7 in Bihar and 1 in Assam) are flowing in Severe Flood Situation and 21 stations (7 in Bihar, 6 in Assam, 4 in West Bengal and 1 each in Andhra Pradesh, Jharkhand, Karnataka and Kerala) are flowing in Above Normal Flood Situation. Inflow Forecast has been issued for 40 Barrages & Dams (10 in Karnataka, 5 each in Andhra Pradesh, Jharkhand & Madhya Pradesh, 4 each in Telangana & Tamil Nadu, 2 in Gujarat and 1 each in Maharashtra, Odisha, Rajasthan, Uttar Pradesh & West Bengal). Details can be seen in link- http://cwc.gov.in/sites/default/files/dfb202023092020_5.pdf 2.2 Flood Situation Map 2.3 CWC Advisories Isolated heavy to very heavy falls very likely over Konkan & Goa and Gujarat Region on 23rd; Assam & Meghalaya on 23rd & 24th; Sub-Himalayan West Bengal & Sikkim; East Uttar Pradesh on 23rd-25th and Bihar on 23rd-26th September, 2020. Isolated extremely heavy rainfall also very likely over Sub-Himalayan West Bengal & Sikkim and north Konkan on 23rd and Bihar and East Uttar Pradesh on 24th & 25th September, 2020. Based on the above rainfall forecast the following advisories are issued by CWC: Due to forecasted Extremely Heavy Rainfall in Sub-Himalayan West Bengal, Sikkim, Assam & Meghalaya from 23nd & 24th, increase in water levels in Brahmaputra & its tributaries of Manas, Beki, Gaurang including Teesta during the next 2-3 days. Extremely Heavy Rainfall has been forecasted in Bihar and East Uttar Pradesh on 24th & 25th which may see an increase in water level in Northern Tributaries of river Ganga in the basins of Mahananda, Kosi, Bagmati and Adhwara in Bihar and in Ghaghra, Rapti basins in Uttar Pradesh. Very heavy to heavy rainfall is forecasted for Gujarat on today; as almost all the major dams are at FRL or very near to FRL, close watch is to be maintained. Forecasted rainfall may increase the flow in West Flowing Rivers in Konkan & Goa, close watch is to be maintained. Urban Flooding situation is likely in Mumbai and its sub-urban areas for today and tomorrow and then slowly recede. Impact Based Actions Strict vigil is to be maintained in all the above areas for next 3-4 days. It is advised that close watch has to be maintained for increased inflows in dams. Releases from any of these reservoirs may be done as per rule curve and standard operating procedure with advance intimation to downstream areas. All district administrations can take effective measures taking into account the prevailing Covid-19 situation in relief camps being set up in these districts. 3. Storage Position in Dams where Inflow forecast is being issued by CWC as on 23rd September 2020 # River Station State Present Gross Storage (%) Rainfall Warning 1 Nira Veer Dam Maharashtra 100 Yes 2 Bhima Ujjani Dam Maharashtra 100 Yes 3 Betwa Rajghat Dam Madhya Pradesh 100 Yes 4 Ghataprabha Hidkal Dam Karnataka 100 No 6 Narmada Tawa Dam Madhya Pradesh 100 Yes 7 Wardha Upper Wardha Project Maharashtra 100 No 8 Penganga Issapur Project Maharashtra 100 No 9 Warana Warana Dam Maharashtra 100 Yes 10 Koyna Koyna Dam Maharashtra 100 Yes 11 Krishna Almatti Dam Karnataka 100 No 13 Mahi Kadana Dam Gujarat 100 Yes 20 Narmada Barna Dam Madhya Pradesh 100 Yes 38 Kabini Kabini Dam Karnataka 100 Yes 12 Sabarmati Dharoi Dam Gujarat 99.61 Yes 16 Mahi Mahi Bajajsagar Dam Rajasthan 99.2 No 15 Mula Mula Dam Maharashtra 99.06 Yes 5 Narmada Bargi Dam Madhya Pradesh 99 Yes 18 Bhadra Bhadra Dam Karnataka 99 Yes 17 Sindhpana Manjlegaon Maharashtra 98.57 No 24 Pench Totladoh Project Maharashtra 98.45 No 14 Purna Yeldari Dam Maharashtra 98.3 No 32 Hemavathy Hemavathy Dam Karnataka 98 Yes 39 Tungabhadra Tungabhadra Dam Karnataka 98 Yes 22 Som Kamla Som Kamla Amba Dam Rajasthan 97.32 No 19 Cauvery Krishnarajasagar Karnataka 97 Yes 27 Kalisindh Kalisindh Dam Rajasthan 96.73 No 37 Mahanadi Hirakud Dam Odisha 96.6 No 34 Kaddamvagu Kaddam Dam Telangana 96.58 No 23 Godavari Jaikwadi Dam Maharashtra 96.37 No 21 Krishna Narayanpur Dam Karnataka 96 No 25 Krishna Srisailam Dam Andhra Pradesh 96 No 28 Harangi Harangi Dam Karnataka 96 Yes 29 Krishna Dr K L R S Pulichintala Dam Andhra Pradesh 96 No 30 Narmada Indira Sagar Dam Madhya Pradesh 96 Yes 31 Malaprabha Malaprabha Dam Karnataka 96 No 33 Musi Musi Project Telangana 96 No 36 Chambal Rana Pratap Sagar Rajasthan 95.36 No 26 Tapi Ukai Dam Gujarat 95.15 Yes 40 North Pennar Somasila Dam Andhra Pradesh 94.65 No 41 Damanganga Madhuban Dam Gujarat 94.49 Yes 42 Sone Bansagar Dam Madhya Pradesh 94 Yes 35 Narmada Sardar Sarovar Dam Gujarat 93.69 Yes 44 Wainganga Upper Wainganga Project Madhya Pradesh 93.27 Yes 43 Godavari Sriramasagar Telangana 92.31 No 45 Bhavani Bhavani Sagar Tamil Nadu 91.78 No 47 Godavari SripadaYellampally Dam Telangana 91.36 No 48 Chambal Gandhisagar Dam Madhya Pradesh 90 Yes 46 Gomukanadi Gomukhi Dam Tamil Nadu 87.42 No 49 Brahmani Rengali Dam Odisha 86.5 No 52 Edamalayar Idamalayar Kerala 83.06 Yes 51 Gambhiri Panchana Dam Rajasthan 81.48 No 53 Machhkund Machhkund Project Odisha 80.8 No 54 Periyar Idduki Dam Kerala 80.13 Yes 50 Krishna Priyadarshini Jurala Project Telangana 78 No 56 Panam Panam Dam Gujarat 76.23 Yes 55 Parwati Parwati Dam Rajasthan 75.89 No 57 Mej Gudha Dam Rajasthan 73.69 No 58 Tapi Hathnur Dam Maharashtra 70.98 Yes 59 Indravathi Upper Indravathi Project Odisha 70.71 No Reservoirs shown in red are having gross storage greater than 90%, reservoirs shown in orange are having gross storage greater than 75% and the reservoirs shown in yellow are having gross storage greater than 70%. Close watch has to be maintained at these reservoirs wherever heavy rainfall (Yellow) and Very Heavy Rainfall (Orange) and Extremely Heavy Rainfall (Red) warning in next 24 hours are given (last column of Table above). .
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